From: Ingo Molnar <mingo@kernel.org>
To: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Ravi Bangoria <ravi.bangoria@linux.vnet.ibm.com>,
linux-kernel@vger.kernel.org, mingo@redhat.com,
alexis.berlemont@gmail.com, peterz@infradead.org,
alexander.shishkin@linux.intel.com, mpe@ellerman.id.au,
naveen.n.rao@linux.vnet.ibm.com, mhiramat@kernel.org,
maddy@linux.vnet.ibm.com
Subject: Re: [PATCH v2] perf/sdt: Show proper hint
Date: Tue, 7 Feb 2017 08:53:56 +0100 [thread overview]
Message-ID: <20170207075356.GA21028@gmail.com> (raw)
In-Reply-To: <20170203151826.GA2712@redhat.com>
* Arnaldo Carvalho de Melo <acme@redhat.com> wrote:
> Em Fri, Feb 03, 2017 at 03:56:42PM +0530, Ravi Bangoria escreveu:
> > After patch:
> > $ perf record -a -e sdt_glib:idle__add
> > event syntax error: 'sdt_glib:idle__add'
> > \___ unknown tracepoint
> >
> > Error: File /sys/kernel/debug/tracing/events/sdt_glib/idle__add not found.
> > Hint: SDT event cannot be directly recorded on. Please use 'perf probe sdt_glib:idle__add' before recording it.
> > ...
> >
> > $ perf probe sdt_glib:idle__add
> > Added new event:
> > sdt_glib:idle__add (on %idle__add in /usr/lib64/libglib-2.0.so.0.5000.2)
> >
> > You can now use it in all perf tools, such as:
> >
> > perf record -e sdt_glib:idle__add -aR sleep 1
> >
> > $ perf record -a -e sdt_glib:idle__add
> > [ perf record: Woken up 1 times to write data ]
> > [ perf record: Captured and wrote 0.175 MB perf.data ]
>
> Looks much better! Thanks!
>
> Unsure if we should state somewhere that this needs to be done only once
> per boot.
>
> Ingo, are you ok now? Ack?
Yeah, looks perfect to me!
Acked-by: Ingo Molnar <mingo@kernel.org>
Thanks,
Ingo
next prev parent reply other threads:[~2017-02-07 7:54 UTC|newest]
Thread overview: 77+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-16 23:55 [PATCH 0/2] perf: add support of SDT probes arguments Alexis Berlemont
2016-11-16 23:56 ` [PATCH 1/2] perf sdt: add scanning of sdt probles arguments Alexis Berlemont
2016-11-16 23:56 ` [PATCH 2/2] perf probe: add sdt probes arguments into the uprobe cmd string Alexis Berlemont
2016-11-17 9:04 ` Hemant Kumar
2016-11-18 23:56 ` [PATCH v2 0/2] " Alexis Berlemont
2016-11-18 23:56 ` [PATCH v2 1/2] perf sdt: add scanning of sdt probles arguments Alexis Berlemont
2016-11-25 14:40 ` Arnaldo Carvalho de Melo
2016-11-26 0:58 ` [PATCH v4 0/2] perf probe: add sdt probes arguments into the uprobe cmd string Alexis Berlemont
2016-12-05 23:42 ` Alexis Berlemont
2016-12-06 14:45 ` Arnaldo Carvalho de Melo
2016-11-26 0:58 ` [PATCH v4 1/2] perf sdt: add scanning of sdt probles arguments Alexis Berlemont
2016-12-07 2:44 ` Masami Hiramatsu
2016-11-26 0:58 ` [PATCH v4 2/2] perf probe: add sdt probes arguments into the uprobe cmd string Alexis Berlemont
2016-12-07 3:26 ` Masami Hiramatsu
2016-12-09 15:14 ` Arnaldo Carvalho de Melo
2016-12-10 10:00 ` Masami Hiramatsu
2016-12-14 0:07 ` [PATCH v5 0/2] " Alexis Berlemont
2016-12-14 7:36 ` Ingo Molnar
2017-01-23 11:23 ` Ravi Bangoria
2017-02-22 22:41 ` Alexis Berlemont
2017-01-24 6:58 ` Ravi Bangoria
2017-01-24 8:22 ` Ingo Molnar
2017-01-24 8:36 ` Ravi Bangoria
2017-02-02 11:11 ` [PATCH 0/5] perf/sdt: Argument support for x86 and powepc Ravi Bangoria
2017-02-02 11:11 ` [PATCH 1/5] perf/sdt: Show proper hint Ravi Bangoria
2017-02-02 13:40 ` Ingo Molnar
2017-02-02 16:20 ` Arnaldo Carvalho de Melo
2017-02-03 10:26 ` [PATCH v2] " Ravi Bangoria
2017-02-03 15:18 ` Arnaldo Carvalho de Melo
2017-02-07 7:53 ` Ingo Molnar [this message]
2017-02-07 15:50 ` Arnaldo Carvalho de Melo
2017-02-07 8:00 ` Ingo Molnar
2017-02-16 10:16 ` [RFC] perf/sdt: Directly record SDT event with 'perf record' Ravi Bangoria
2017-02-20 7:08 ` Ingo Molnar
2017-02-20 8:21 ` Ravi Bangoria
2017-02-20 8:42 ` Ingo Molnar
2017-02-20 11:01 ` Ravi Bangoria
2017-02-20 14:11 ` Arnaldo Carvalho de Melo
2017-02-23 8:13 ` Ravi Bangoria
2017-02-23 12:48 ` Arnaldo Carvalho de Melo
2017-02-07 1:13 ` [PATCH v2] perf/sdt: Show proper hint Masami Hiramatsu
2017-02-10 7:44 ` [tip:perf/core] perf sdt: Show proper hint when event not yet in place via 'perf probe' tip-bot for Ravi Bangoria
2017-02-02 11:11 ` [PATCH 2/5] perf/sdt/x86: Add renaming logic for rNN and other registers Ravi Bangoria
2017-02-07 3:11 ` Masami Hiramatsu
2017-03-21 14:08 ` Arnaldo Carvalho de Melo
2017-03-24 18:45 ` [tip:perf/core] perf sdt x86: " tip-bot for Ravi Bangoria
2017-02-02 11:11 ` [PATCH 3/5] perf/sdt/x86: Move OP parser to tools/perf/arch/x86/ Ravi Bangoria
2017-02-07 3:11 ` Masami Hiramatsu
2017-02-07 5:22 ` Ravi Bangoria
2017-03-21 14:10 ` Arnaldo Carvalho de Melo
2017-03-21 23:00 ` Masami Hiramatsu
2017-03-22 11:22 ` Arnaldo Carvalho de Melo
2017-03-21 14:55 ` Masami Hiramatsu
2017-02-02 11:11 ` [PATCH 4/5] perf/sdt/powerpc: Add argument support Ravi Bangoria
2017-02-02 11:11 ` [PATCH 5/5] perf/probe: Change MAX_CMDLEN Ravi Bangoria
2017-02-07 1:40 ` Masami Hiramatsu
2017-02-07 5:45 ` [PATCH v2] " Ravi Bangoria
2017-03-21 5:19 ` Masami Hiramatsu
2017-03-21 13:37 ` Arnaldo Carvalho de Melo
2017-03-24 18:43 ` [tip:perf/core] perf probe: " tip-bot for Ravi Bangoria
2017-02-07 2:55 ` [PATCH 0/5] perf/sdt: Argument support for x86 and powepc Masami Hiramatsu
2017-03-06 7:53 ` Ravi Bangoria
2017-03-06 13:42 ` Masami Hiramatsu
2017-03-21 5:08 ` [PATCH v5 0/2] perf probe: add sdt probes arguments into the uprobe cmd string Masami Hiramatsu
2016-12-14 0:07 ` [PATCH v5 1/2] perf sdt: add scanning of sdt probles arguments Alexis Berlemont
2017-03-06 13:39 ` Masami Hiramatsu
2017-03-21 13:52 ` Arnaldo Carvalho de Melo
2017-03-24 18:44 ` [tip:perf/core] perf sdt: Add scanning of sdt probes arguments tip-bot for Alexis Berlemont
2016-12-14 0:07 ` [PATCH v5 2/2] perf probe: add sdt probes arguments into the uprobe cmd string Alexis Berlemont
2017-01-24 8:50 ` Ravi Bangoria
2017-03-06 17:23 ` Masami Hiramatsu
2017-03-24 18:44 ` [tip:perf/core] perf probe: Add " tip-bot for Alexis Berlemont
2016-11-18 23:56 ` [PATCH v2 2/2] perf probe: add " Alexis Berlemont
2016-11-21 10:25 ` Hemant Kumar
2016-11-24 23:13 ` [PATCH v3 0/2] " Alexis Berlemont
2016-11-24 23:13 ` [PATCH v3 1/2] perf sdt: add scanning of sdt probles arguments Alexis Berlemont
2016-11-24 23:13 ` [PATCH v3 2/2] perf probe: add sdt probes arguments into the uprobe cmd string Alexis Berlemont
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20170207075356.GA21028@gmail.com \
--to=mingo@kernel.org \
--cc=acme@redhat.com \
--cc=alexander.shishkin@linux.intel.com \
--cc=alexis.berlemont@gmail.com \
--cc=linux-kernel@vger.kernel.org \
--cc=maddy@linux.vnet.ibm.com \
--cc=mhiramat@kernel.org \
--cc=mingo@redhat.com \
--cc=mpe@ellerman.id.au \
--cc=naveen.n.rao@linux.vnet.ibm.com \
--cc=peterz@infradead.org \
--cc=ravi.bangoria@linux.vnet.ibm.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).